iOS: Player Metadata view can now be swiped down/up to leave full view of the album art.
iOS: Playlist view is now a modal view. A few bug fixes in table view cells (i.e. added white chevron for highlight status, etc.).
PlayerMetadataPresenter/iOS: Added Playlist/Shuffle/Repeat buttons.
iOS: Added custom chevron throughout the application.

Related to issue #405 and issue #415.